Wall Street mixed in early trading as big US banks report earnings, chip stocks fall again

Trading on Wall Street was mixed in premarket Tuesday as earnings season kicks off with the latest results from a handful of big banks.Futures for the S&P 500 fell 0.1% before the bell, while futures for the Dow Jones Industrial Average inched up 0.1%. Nasdaq futures tumbled 0.6%.Oil prices fell around 2%, even though tensions in the Middle East continued.JPMorgan Chase shares ticked up 1.4% even after the bank missed quarterly targets. Other banks releasing results Tuesday are Citigroup, Wells Fargo and Goldman Sachs. UnitedHealth Group and Johnson & Johnson are among companies reporting from the health care sector.Chipmakers were down again Tuesday following losses a day earlier. Nvidia, Broadcom and Qualcomm all dipped around 1% in premarket, while Micron slipped 3%.A sell-off of chipmakers also pulled Asian markets mostly lower, with South Korea’s benchmark Kospi index sinking more than 5%.The Kospi fell 5.5% to 6,035.35, led by semiconductor-related stocks, recovering some of its